Acoustically enhanced boiling heat transfer | Zendy

Zachary W. Douglas | Zendy; Thomas R. Boziuk | Zendy; Marc K. Smith | Zendy; Ari Glezer | Zendy

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Acoustically enhanced boiling heat transfer

Author(s) -

Zachary W. Douglas,

Thomas R. Boziuk,

Marc K. Smith,

Ari Glezer

Publication year - 2012

Publication title -

physics of fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.188

H-Index - 180

eISSN - 1089-7666

pISSN - 1070-6631

DOI - 10.1063/1.4721669

Subject(s) - bubble , boiling , mechanics , materials science , nucleate boiling , heat transfer , heat flux , capillary action , leidenfrost effect , bubble point , capillary wave , thermodynamics , surface tension , composite material , physics

An acoustic field is used to increase the critical heat flux (CHF) of aflat-boiling-heat-transfer surface. The increase is a result of the acousticeffects on the vapor bubbles. Experiments are performed to explore the effectsof an acoustic field on vapor bubbles in the vicinity of a rigid-heated wall.Work includes the construction of a novel heater used to produce a single vaporbubble of a prescribed size and at a prescribed location on a flatboilingsurface for better study of an individual vapor bubble's reaction to theacoustic field. Work also includes application of the results from thesingle-bubble heater to a calibrated-copper heater used for quantifying theimprovements in CHF.

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